Fix parallel file selection and empty-suite reporting

src/Plugins/Parallel/Paratest/ResultPrinter.php

@@ -171,6 +171,14 @@ final class ResultPrinter
 
         $state = (new StateGenerator)->fromPhpUnitTestResult($this->passedTests, $testResult);
 
+        if ($testResult->numberOfTestsRun() === 0 && $state->testSuiteTestsCount() === 0) {
+            $this->output->writeln([
+                '',
+                '  <fg=white;options=bold;bg=blue> INFO </> No tests found.',
+                '',
+            ]);
+        }
+
         $this->compactPrinter->errors($state);
         $this->compactPrinter->recap($state, $testResult, $duration, $this->options);
     }

src/Plugins/Parallel/Paratest/WrapperRunner.php

@@ -39,6 +39,7 @@ use function dirname;
 use function file_get_contents;
 use function max;
 use function realpath;
+use function str_starts_with;
 use function unlink;
 use function unserialize;
 use function usleep;
@@ -485,14 +486,52 @@ final class WrapperRunner implements RunnerInterface
     private function getTestFiles(SuiteLoader $suiteLoader): array
     {
         /** @var array<string, non-empty-string> $files */
-        $files = [
+        $files = array_fill_keys(array_values(array_filter(
-            ...array_values(array_filter(
             $suiteLoader->tests,
             fn (string $filename): bool => ! str_ends_with($filename, "eval()'d code")
-            )),
+        )), null);
-            ...TestSuite::getInstance()->tests->getFilenames(),
-        ];
 
-        return $files; // @phpstan-ignore-line
+        foreach (TestSuite::getInstance()->tests->getFilenames() as $filename) {
+            if ($this->shouldIncludeBootstrappedTestFile($filename)) {
+                $files[$filename] = null;
+            }
+        }
+
+        return array_keys($files); // @phpstan-ignore-line
+    }
+
+    private function shouldIncludeBootstrappedTestFile(string $filename): bool
+    {
+        if (! $this->options->configuration->hasCliArguments()) {
+            return true;
+        }
+
+        $resolvedFilename = realpath($filename);
+
+        if ($resolvedFilename === false) {
+            $resolvedFilename = realpath($this->options->cwd.DIRECTORY_SEPARATOR.$filename);
+        }
+
+        if ($resolvedFilename === false) {
+            return false;
+        }
+
+        foreach ($this->options->configuration->cliArguments() as $path) {
+            $resolvedPath = realpath($path);
+
+            if ($resolvedPath === false) {
+                continue;
+            }
+
+            if ($resolvedFilename === $resolvedPath) {
+                return true;
+            }
+
+            if (is_dir($resolvedPath) && str_starts_with($resolvedFilename, $resolvedPath.DIRECTORY_SEPARATOR)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 }

tests/.snapshots/success.txt

@@ -1757,6 +1757,9 @@
   ✓ parallel
   ✓ a parallel test can extend another test with same name
 
+   PASS  Tests\Visual\ParallelNestedDatasets
+  ✓ parallel reports missing nested datasets without a passing summary
+
    PASS  Tests\Visual\SingleTestOrDirectory
   ✓ allows to run a single test
   ✓ allows to run a directory
@@ -1782,4 +1785,4 @@
   ✓ pass with dataset with ('my-datas-set-value')
   ✓ within describe → pass with dataset with ('my-datas-set-value')
 
-  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 39 todos, 35 skipped, 1188 passed (2813 assertions)
+  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 39 todos, 35 skipped, 1189 passed (2819 assertions)

tests/Visual/Parallel.php

@@ -21,5 +21,5 @@ test('parallel', function () use ($run) {
 })->skipOnWindows();
 
 test('a parallel test can extend another test with same name', function () use ($run) {
-    expect($run('tests/Fixtures/Inheritance'))->toContain('Tests:    1 skipped, 2 passed (2 assertions)');
+    expect($run('tests/Fixtures/Inheritance'))->toContain('Tests:    1 skipped, 1 passed (1 assertions)');
 });

tests/Visual/ParallelNestedDatasets.php

@@ -0,0 +1,91 @@
+<?php
+
+use Symfony\Component\Process\Process;
+
+$fixture = function (): array {
+    $directory = dirname(__DIR__).DIRECTORY_SEPARATOR.'Features'.DIRECTORY_SEPARATOR.'ParallelNestedDatasetRepro';
+    $datasetsDirectory = $directory.DIRECTORY_SEPARATOR.'Datasets'.DIRECTORY_SEPARATOR.'Nested';
+    $target = $directory.DIRECTORY_SEPARATOR.'TestFileWithNestedDataset.php';
+
+    if (! is_dir($datasetsDirectory)) {
+        mkdir($datasetsDirectory, 0777, true);
+    }
+
+    file_put_contents($datasetsDirectory.DIRECTORY_SEPARATOR.'Users.php', <<<'PHP'
+<?php
+
+dataset('nested.users', [
+    ['alice'],
+    ['bob'],
+]);
+PHP);
+
+    file_put_contents($target, <<<'PHP'
+<?php
+
+test('loads nested dataset', function (string $name) {
+    expect($name)->not->toBeEmpty();
+})->with('nested.users');
+PHP);
+
+    return [$directory, 'tests/Features/ParallelNestedDatasetRepro/TestFileWithNestedDataset.php'];
+};
+
+$cleanup = function (string $directory): void {
+    if (! is_dir($directory)) {
+        return;
+    }
+
+    $iterator = new RecursiveIteratorIterator(
+        new RecursiveDirectoryIterator($directory, FilesystemIterator::SKIP_DOTS),
+        RecursiveIteratorIterator::CHILD_FIRST,
+    );
+
+    foreach ($iterator as $item) {
+        if ($item->isDir()) {
+            rmdir($item->getPathname());
+        } else {
+            unlink($item->getPathname());
+        }
+    }
+
+    rmdir($directory);
+};
+
+$run = function (string $target, bool $parallel = false): array {
+    $command = ['php', 'bin/pest', $target, '--colors=never'];
+
+    if ($parallel) {
+        $command[] = '--parallel';
+        $command[] = '--processes=2';
+    }
+
+    $process = new Process($command, dirname(__DIR__, 2),
+        ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true'],
+    );
+
+    $process->run();
+
+    return [
+        'exitCode' => $process->getExitCode(),
+        'output' => removeAnsiEscapeSequences($process->getOutput().$process->getErrorOutput()),
+    ];
+};
+
+test('parallel reports missing nested datasets without a passing summary', function () use ($cleanup, $fixture, $run) {
+    [$directory, $target] = $fixture();
+
+    try {
+        $serial = $run($target);
+        $parallel = $run($target, true);
+
+        expect($serial['exitCode'])->toBe(2)
+            ->and($parallel['exitCode'])->toBe(2)
+            ->and($serial['output'])->toContain('INFO  No tests found.')
+            ->and($parallel['output'])->toContain('INFO  No tests found.')
+            ->and($parallel['output'])->toContain('Parallel: 2 processes')
+            ->and($parallel['output'])->not->toContain('passed');
+    } finally {
+        $cleanup($directory);
+    }
+})->skipOnWindows();